Collection tube assembly



The file of this patent contains at least one drawing executed in color. Copies of this patent with color drawings will be provided by the Patent and Trademark Office upon request and payment of the necessary fee.

FIG. 1 is a top and front perspective view of collection tube assembly with a transparent top portion and a red bottom portion;

FIG. 2 is a top plan view of the collection tube assembly of FIG. 1;

FIG. 3 is a bottom plan view of the collection tube assembly of FIG. 1; and,

FIG. 4 is a side elevational view of the collection tube assembly of FIG. 1 the opposite side elevational being identical thereto. 

The ornamental design for a collection tube assembly, as shown and described. 